Merge branch 'pw/p4-view-updates'

* pw/p4-view-updates:
  git-p4: view spec documentation
  git-p4: rewrite view handling
  git-p4: support single file p4 client view maps
  git-p4: sort client views by reverse View number
  git-p4: fix test for unsupported P4 Client Views
  git-p4: test client view handling